Assembly: PresentationCore (in PresentationCore.dll)
Note that this is returned as DependencyObject, rather than a raw object.
This property might return null in a disconnected tree, or if you have traversed to the tree root at the window level.
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.